JP2002373431A - フォーカシング方法、及びそれを用いた光ディスク装置 - Google Patents

フォーカシング方法、及びそれを用いた光ディスク装置

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Publication number
JP2002373431A
JP2002373431A JP2001181032A JP2001181032A JP2002373431A JP 2002373431 A JP2002373431 A JP 2002373431A JP 2001181032 A JP2001181032 A JP 2001181032A JP 2001181032 A JP2001181032 A JP 2001181032A JP 2002373431 A JP2002373431 A JP 2002373431A
Authority
JP
Japan
Prior art keywords
recording layer
error signal
focus error
gain
focus
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2001181032A
Other languages
English (en)
Japanese (ja)
Other versions
JP2002373431A5 (enExample
Inventor
Yoshimasa Miyake
賢昌 三宅
Yoshio Suzuki
芳夫 鈴木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi LG Data Storage Inc
Original Assignee
Hitachi LG Data Storage Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi LG Data Storage Inc filed Critical Hitachi LG Data Storage Inc
Priority to JP2001181032A priority Critical patent/JP2002373431A/ja
Publication of JP2002373431A publication Critical patent/JP2002373431A/ja
Publication of JP2002373431A5 publication Critical patent/JP2002373431A5/ja
Pending legal-status Critical Current

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  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
  • Optical Recording Or Reproduction (AREA)
JP2001181032A 2001-06-15 2001-06-15 フォーカシング方法、及びそれを用いた光ディスク装置 Pending JP2002373431A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001181032A JP2002373431A (ja) 2001-06-15 2001-06-15 フォーカシング方法、及びそれを用いた光ディスク装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001181032A JP2002373431A (ja) 2001-06-15 2001-06-15 フォーカシング方法、及びそれを用いた光ディスク装置

Publications (2)

Publication Number Publication Date
JP2002373431A true JP2002373431A (ja) 2002-12-26
JP2002373431A5 JP2002373431A5 (enExample) 2005-06-02

Family

ID=19021362

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001181032A Pending JP2002373431A (ja) 2001-06-15 2001-06-15 フォーカシング方法、及びそれを用いた光ディスク装置

Country Status (1)

Country Link
JP (1) JP2002373431A (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004093067A1 (ja) * 2003-04-18 2004-10-28 Matsushita Electric Industrial Co. Ltd. 光ディスク制御装置
JP2006155792A (ja) * 2004-11-30 2006-06-15 Sony Corp 光ディスク装置、焦点位置制御方法及び焦点位置制御装置
EP1619677A4 (en) * 2003-10-03 2009-04-29 Panasonic Corp OPTICAL REMOVAL DEVICE AND OPTICAL REMOVAL FULL-PULL IN PROCESS
US7586818B2 (en) 2004-05-28 2009-09-08 Panasonic Corporation Optical disc apparatus and semiconductor device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004093067A1 (ja) * 2003-04-18 2004-10-28 Matsushita Electric Industrial Co. Ltd. 光ディスク制御装置
JPWO2004093067A1 (ja) * 2003-04-18 2006-07-06 松下電器産業株式会社 光ディスク制御装置
KR100710635B1 (ko) * 2003-04-18 2007-04-24 마쯔시다덴기산교 가부시키가이샤 광 디스크 제어 장치
JP4884771B2 (ja) * 2003-04-18 2012-02-29 パナソニック株式会社 光ディスク制御装置
EP1619677A4 (en) * 2003-10-03 2009-04-29 Panasonic Corp OPTICAL REMOVAL DEVICE AND OPTICAL REMOVAL FULL-PULL IN PROCESS
US7800987B2 (en) 2003-10-03 2010-09-21 Panasonic Corporation Optical pickup driving apparatus and optical pickup beam spot positioning method
US7586818B2 (en) 2004-05-28 2009-09-08 Panasonic Corporation Optical disc apparatus and semiconductor device
JP2006155792A (ja) * 2004-11-30 2006-06-15 Sony Corp 光ディスク装置、焦点位置制御方法及び焦点位置制御装置
US7778129B2 (en) 2004-11-30 2010-08-17 Sony Corporation Optical disk apparatus, focal position control method and focal position control apparatus

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